import java.util.Scanner;
public class Example3_4{
    public static void main(String args[]){
        int number = 0;
        System.out.println("输入正整数（回车确定）回车确定）")；
        Scanner reader new Scanner(System.in);
        number =reader.nextInt();
        switch(){
            case 9:
            case 131:
            case 12:
            System.out.println(number+"是三等奖");
            break;
            case 209:
            case 596:
            case 27:
            System.out.println(number+"是二等奖");
            break;
            case 875:
            case 316:
            case 59:
            System.out.println(number+"是一等奖");
            break;
            default:  static.out.println(number+"没中奖")
        }
    }
}